# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.44627 Bacteria.13903 Proteobacteria.368732 Alphaproteobacteria.183026 Azospirillum.8321 Azospirillum_brasilense.5334 abs.5800 abs:AZOBR_p310030 protein of unknown function OC.44627 Bacteria.13903 Proteobacteria.368732 Alphaproteobacteria.183026 Azospirillum.8321 Azospirillum_brasilense.5334 abq.5346 abq:ABAZ39_28525 hypothetical protein